Comparison

Right Triangle vs Geometry Calculator lite

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Right Triangle

Instantly solve geometry homework and prepare for exams with this free calculator. It provides complete step-by-step solutions for all triangle quantities, including legs, hypotenuse, height, angles, perimeter, and area. Access learning videos and manage your solutions.

Highlights
  • Step-by-step solutions
  • Calculates legs, hypotenuse, height, angles, perimeter, area
  • Supports all length units
  • Curated learning videos
  • Feedback on incorrect inputs
  • Manage saved solutions
Features
Read full description

Finish homework instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter your values and calculate legs, hypotenuse, height, angles, perimeter, and area. HOW IT WORKS Enter your values into the correct fields and get started. You’ll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, such as: - which features are used - how many solutions are generated This helps us improve. We cannot identify you. COST Everything is free to use. 24/7 access to your solutions. All solution steps always remain complete. If you need many solutions in a short time, various purchase options are available. EXTRAS - overview of all variables - all length units - curated learning videos - feedback on incorrect inputs - manage your own solutions - app introduction CONTACT Questions and feedback via Discord or directly in the app review.

About

Geometry Calculator lite

Calculate key parameters for 26 geometric shapes, including 2D planes and 3D solids. Offers 783 calculations with interactive 3D views for solids. Supports multiple languages and devices.

Highlights
  • Calculates parameters for 26 geometric shapes
  • Supports 783 different calculations
  • Interactive 3D view for solids
  • Covers 2D planes and 3D solids
  • Available in multiple languages
  • Works on iPhone and iPad
Features
Read full description

Geometry Calculator – Now with 3D View Geometry Calculator is designed to calculate all key parameters of 26 geometric shapes, including both planes and solids. With 783 calculations, this app is perfect for students, engineers, and professionals who need quick, reliable results. What’s New • 3D View for Solids – explore shapes like Cube, Sphere, Cylinder, and more in interactive 3D. Supported Shapes 2D Shapes: • Circle, Annulus, Ellipse, Torus • Square, Rectangle, Triangle (Equilateral, Isosceles, Right, Theorems) • Parallelogram, Rhombus, Trapezoid, Polygon 3D Solids: • Cube, Cuboid, Capsule, Cone, Cylinder • Conical Frustum, Square Pyramid, Sphere, Hemisphere, Tube Available Calculations • Area & Surface Area • Perimeter & Semiperimeter • Volume • Angles • Radius, Diameter, Circumference • Side Length, Diagonal, Height, Width, Altitude, Slant Height • Inradius & Circumradius • Median & Thickness Compatibility • Works seamlessly on iPhone and iPad • Available in: English, Français, Español, Italiano, Deutsch, Português, Nederlands, 中文 (Chinese), Türkçe (Turkish), العربية (Arabic), Polski (Polish), 日本語 (Japanese)

Screenshots

Right Triangle4 screens
Geometry Calculator lite4 screens

Verdict

The call

The clearest difference is rating: Geometry Calculator lite at 4.5 against Right Triangle's 3.8. Geometry Calculator lite also leads on ratings volume (78 vs 6). Right Triangle's advantage is ads (none vs shown) and iOS requirement (15.0 vs 17.6). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Right Triangle sells 8 one-off in-app purchases and Geometry Calculator lite sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Geometry Calculator lite holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: Geometry Calculator lite has 78 ratings behind it against 6, so its average is the more settled of the two.

UpkeepUpdate frequency

Right Triangle ships an update every 3 weeks, Geometry Calculator lite every 5 weeks. The most recent releases landed on August 26, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 6 level
Right Triangle versus Geometry Calculator lite: the parameters behind the verdict, then further details
ParameterRight TriangleGeometry Calculator lite
PriceFreeFree
Rating3.8 (6 ratings)4.5 (78 ratings) — better
Positive reviews45.5% of reviews
Number of ratings678 — better
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size180 MB56 MB
Age rating4+4+
DeveloperGlindemann, Sennoun, Langer GbRV PUGAZHENTHI

Customer experience

Right Triangle

All ratings6 ratings
Positive66.7%
Neutral16.7%
Negative16.7%

Geometry Calculator lite

All ratings78 ratings
Positive85.9%
Neutral5.1%
Negative9.0%
Written reviews11 reviews
Positive45.5%
Neutral9.1%
Negative45.5%

In-app purchases

8 purchases

Right Triangle

One-time8
  • +30 User Tokens$0.29
  • +1 Convenience Token / 6h, max. +2$0.59
  • +2 Convenience Tokens / 6h, max. +4$0.99
Show 5 more
  • +150 User Tokens$0.99
  • +300 User Tokens$1.49
  • +4 Convenience Tokens / 6h, max. +8$1.59
  • Remove Ads$2.99
  • Lifetime Access$2.99
1 purchases

Geometry Calculator lite

One-time1
  • 25 Geometry Calculators$2.99

Questions

Is Right Triangle free?
Right Triangle is free to download, with in-app purchases available.
Is Geometry Calculator lite free?
Geometry Calculator lite is free to download, with in-app purchases available.
Which has better reviews, Right Triangle or Geometry Calculator lite?
Geometry Calculator lite is rated higher. Right Triangle averages 3.8 out of 5 from 6 ratings, while Geometry Calculator lite averages 4.5 from 78 ratings.
Do Right Triangle or Geometry Calculator lite have ads?
Geometry Calculator lite shows ads; Right Triangle does not.
Which is updated more often, Right Triangle or Geometry Calculator lite?
Right Triangle ships an update every 3 weeks, and Geometry Calculator lite every 5 weeks. Most recently, Right Triangle was updated on August 26, 2026 and Geometry Calculator lite on September 15, 2026.

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